diff --git a/terraform-s3-object-lambda/README.md b/terraform-s3-object-lambda/README.md
index 251c15613..64b978053 100644
--- a/terraform-s3-object-lambda/README.md
+++ b/terraform-s3-object-lambda/README.md
@@ -28,6 +28,8 @@ aws s3 cp ./images/sample.jpg s3://<bucket-name>
 Download a thumbnail version of the uploaded image from the S3 Object Lambda Access Point using this command (replace `<lambda-access-point>` with the value returned in `s3_lambda_access_point`):
 
 ```shell
+mkdir ./thumbs
+
 aws s3api get-object --bucket <lambda-access-point> --key sample.jpg ./thumbs/sample-thumbnail.jpg
 
 open ./thumbs/sample-thumbnail.jpg
diff --git a/terraform-s3-object-lambda/main.tf b/terraform-s3-object-lambda/main.tf
index be3eac48c..5dbc2d26b 100644
--- a/terraform-s3-object-lambda/main.tf
+++ b/terraform-s3-object-lambda/main.tf
@@ -19,7 +19,7 @@ module "lambda_function" {
   function_name = "${random_pet.this.id}-lambda"
   description   = "My awesome lambda function"
   handler       = "app.handler"
-  runtime       = "nodejs16.x"
+  runtime       = "nodejs22.x"
   publish       = true
 
   architectures = ["arm64"] # Set to "arm64" if you are running this from ARM, else use "x86_64"
diff --git a/terraform-s3-object-lambda/src/app.js b/terraform-s3-object-lambda/src/app.js
index 2897f2f08..699d46b7c 100644
--- a/terraform-s3-object-lambda/src/app.js
+++ b/terraform-s3-object-lambda/src/app.js
@@ -2,11 +2,11 @@
  *  SPDX-License-Identifier: MIT-0
  */
 
-const { S3 } = require("aws-sdk");
+const { S3Client, WriteGetObjectResponseCommand } = require("@aws-sdk/client-s3");
 const axios = require("axios").default;  // Promise-based HTTP requests
 const sharp = require("sharp"); // Used for image resizing
 
-const s3 = new S3();
+const s3 = new S3Client();
 
 exports.handler = async (event) => {
   // Output the event details to CloudWatch Logs.
@@ -30,9 +30,9 @@ exports.handler = async (event) => {
   const params = {
     RequestRoute: outputRoute,
     RequestToken: outputToken,
-    Body: resized,
+    Body: await resized.toBuffer(),
   };
-  await s3.writeGetObjectResponse(params).promise();
+  await s3.send(new WriteGetObjectResponseCommand(params));
 
   // Exit the Lambda function.
   return { statusCode: 200 };